Bipolar temperature indicator



FIG. 1 is a top perspective view of a bipolar temperature indicator showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front side elevational view thereof, the rear side being a mirror image thereto;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof. 

The ornamental design for the bipolar temperature indicator, as shown and described. 